Home / 3,514.80-5,256.36-3,127.08

Finding the Fourth Proportional to 3,514.80, 5,256.36 and 3,127.08

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Solution

The fourth proportional to 3,514.80, 5,256.36 and 3,127.08 is: 4,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.80 : 5,256.36 = 3,127.08 : x
  2. Step 2: Convert to fraction form
    3,514.80/5,256.36 = 3,127.08/x
  3. Step 3: Cross multiply
    3,514.80x = 5,256.36 × 3,127.08
  4. Step 4: Simplify right side
    3,514.80x = 16,437,058.23
  5. Step 5: Solve for x
    x = 16,437,058.23/3,514.80
  6. Step 6: Final answer
    x = 4,676.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.